20 March 2020

Not only from obesity

Bariatric gastric surgery reduces the risk of stroke and heart attack

Svetlana Maslova, Hi-tech+

Scientists observed middle–aged people and found out that bariatric surgery significantly reduces the number of heart attacks and strokes during life - not even by tens of percent, but by 2.5 times. Such significant figures, the researchers believe, should motivate as many obese people as possible to go for bariatric surgery.

Bariatric surgery on the stomach is aimed at limiting the amount of food that enters the body. For these purposes, gastric banding or bypass surgery can be performed, as a result of which a person begins to feel full from less food. British scientists sought to find out the long-term consequences of such operations for the cardiovascular system.

The study involved 7.5 thousand obese people, where half had bariatric surgery, and the second was evaluated as a control. The participants matched by gender, age and body mass index. No one had a history of stroke or heart attack before the experiment. The average age was 36 years, and the average follow–up period was 11 years.

Article by Moussa et al. Effect of bariatric surgery on long-term cardiovascular outcomes: a nationwide nested cohort study published in the European Heart Journal, the press release of Bariatric surgery is linked to significantly fewer heart attacks and strokes can be read on the website of the European Society of Cardiology – VM.

"In absolute terms, the incidence of heart attacks and strokes was significantly lower in those who underwent bariatric surgery," said study co–author Maddalena Ardissino.

Scientists recorded 37 cases against 93, which is very significant for such a young group of participants. "We expected to see fewer such cases in young people, so reducing the absolute risk has important clinical consequences," said Adrissino.

The number of new diagnoses of heart failure was 60% lower, and mortality from any cause differed by 80%.

Bariatric surgery also contributed to the fight against type 2 diabetes, the scientists noted.

On average, people who underwent surgery lost more than 10 kg of excess weight, and some no longer needed drugs to maintain normal blood sugar levels.

"More research is needed to prove a clear causal relationship, but the difference in cardiovascular events already observed is striking and indicates that this factor may be very significant," concluded study co-author Peter Collins. Today, only a very limited number of obese patients decide on such operations, but our results indicate that it is necessary to better inform people about the possibilities of bariatric surgery.

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